The Scotland international was dismissed for two bookable offences duringUnited's 1-1 Barclays Premier League draw at St Andrew's on Saturday.
United boss Sir Alex Ferguson was angered by referee Mark Clattenburg'sdecision and Fletcher, now suspended for this week's clash against Burnley,feels the second yellow card was particularly harsh.
Fuming: Darren Fletcher
The 25-year-old told the Manchester Evening News: 'Saturday was disappointingbecause I was constantly being fouled and when I said something the ref said tome it is a man's game.
'So I went in hard and he books me! Then he booked me again for nothingreally. You don't want to miss games for any reason and to miss one for suspensiondisrupts things for me.
'We have enough midfielders so I am sure someone will come in and do a goodjob.
'But someone coming in and doing well could mean I can't get back into theside and that is the risk. But I cannot afford to think of that when I play. Iplay every game for the moment and I don't look too far forward.'
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